As the tube holding diameter can be adjusted, this holder can accommodate laser tubes with a diameter ranging from 50mm to 80mm, offering good compatibility and versatility. A lifting screw is used to adjust the height of this laser tube holder. High-quality materials provide resistance to aging, and precise craftsmanship ensures secure tube fixation without optical path deviation. These laser tube holders are primarily constructed from fireproof ABS material, which offers corrosion resistance. The overall dimensions are approximately 17cm in length, 11.5cm in width, and 6.7cm in height. This product serves as an ideal accessory for CO2 laser engraving machines. Item Name: Laser Tube Holder Material: Fireproof ABS Applicable Range: CO2 Laser Engraving Machine Features: Compatible, stable fixation, simple installation Size Details: Applicable Diameter: 50mm80mm / 1.97"3.15" (Approx.) Laser Tube Ground Clearance: 80mm100mm / 3.15"3.94" (Approx.) Height Adjustment Range: 105mm170mm / 4.13"6.69" (Approx.) Base Size: 115mm x 67mm / 4.53" x 2.64" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Please allow for minor dimensional variations due to manual measurement. Package Includes: 2 x Laser Tube Holders